Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:27 2013 Optimize a model with 28 rows, 56 columns and 118 nonzeros Presolve removed 22 rows and 30 columns Presolve time: 0.00s Presolved: 6 rows, 26 columns, 50 nonzeros Variable types: 26 continuous, 0 integer (0 binary) Root relaxation: objective 7.659086e+03, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7659.08578 0 1 - 7659.08578 - - 0s H 0 0 7664.3517899 7659.08578 0.07% - 0s 0 2 7659.08578 0 1 7664.35179 7659.08578 0.07% - 0s Explored 3 nodes (5 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.664351789857e+03, best bound 7.663954228360e+03, gap 0.0052%